LLVM_BUILD_TELEMETRY
LLVMConfig.cmake
Add `LLVM_BUILD_TELEMETRY` to the list of flags exposed in `LLVMConfig.cmake`. This fixes telemetry library being misdetected as `OFF` when building LLDB standalone. Fixes bac62ee5b4. ------ I guess this also needs a backport to 20.x.
bac62ee5b4
check_{compiler,linker}_flag
AddFileDependencies
CMakeParseArguments